In the fifth century, constant civil war scars western China. To escape death, Ti, a young scout, jumps through a crevice in the Zu mountains where he gets entangled in a great battle against the Blood Demon, a supernatural entity seeking to wreak havoc upon the world.
A journalist attempting to solve a mystery in "Martial World" enlists the aid of a master fighter and a woman named Green Breeze. They go to a mysterious castle where they come across poisonous butterflies and a black-leather-clad killer.
When Pan, a South China martial artist is defeated and killed by Tan, a North China challenger in a legfighter duel, Pan's younger brother Pak vows to crush Tan with his own unique style of ferocious footwork.
